A core SQL statement, SELECT retrieves data from one or more tables or other sources of row set data such as views or table-valued functions.

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SQL Xml returning empty root tag on empty record set

I am working on xml explicit to generate user defined nodes in xml output using Sql Server 2005 Express edition. The below code works fine, just that i couldn't manage to generate a empty node when ...
2
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1answer
183 views

Query table A for any rows that are like any search term in table B

I need some help writing a select statement (I still don't think in sets!). Here's the scenario: I have table A with column "Name varchar(20)". I have table B with column "SearchTerm varchar(20)". I ...
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2answers
105 views

“For each group of results fullfilling condition X, select only result with smallest column value A”

I have a table with data and dates like so: DECLARE @p TABLE (P_key int, P_Data char(1), P_ValidUntil datetime) INSERT @p VALUES (20, 'T', '2003-02-28') INSERT @p VALUES (21, 'U', '2005-05-31') ...
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How can I use a default value in a Select query in PostgreSQL?

I would like to use a default value for a column that should be used if no rows is returned. Is that possible in PostgreSQL? How can I do it? Or is there any other way I can solve this? E.g. ...